General Science MCQ Quiz Hub

Basic Science botany Plant Physiology Respiration

Choose a topic to test your knowledge and improve your General Science skills

1. Reactions in which the breakdown of macromolecules to their simple precursors is called




2. Glycolysis is also known as




3. The overall reaction of glucose oxidation is




4. In most organisms, oxidation needs the partipation of




5. The most common respiratory substrate that involves in oxidation is




6. A large amount of free energy is liberated when high energy bonds of ATP are broken by




7. The scientist is not involved in glycolysis




8. Energy released during fermentation is




9. The energy currency of the cell is




10. The energy needed for living organisms is obtained by the oxidation of complex organic compounds by




11. The step common to both aerobic and anaerobic respiration is




12. The mitochondria plays a dominant role in




13. The special carrier of free energy is




14. Aerobic respiration occurs in




15. Anaerobic respiration is otherwise called as




16. Number of stages involved in the oxidation of glucose molecule is




17. Respiration falls under




18. Aerobic respiration is carried out by




19. Reactions involved in the synthesis of organic compounds from simple precursors is known as




20. This is not liberated during the oxidation of carbohydrate




21. The potential energy is transformed into kinetic energy by the plant by




22. Conversion of pyruvic acid into either ethyl alcohol or lactic acid is called




23. Glycolysis occurs in




24. The Co-enzymes which act as hydrogen carriers from respiratory substrate to electron transport chain are




25. Electron transport chain is also known as




26. .Biological Oxidation in which energy is extracted from organic compounds is




27. .Number of steps involved in glycolysis




28. The participation of molecular oxygen is required in




29. The universal process is all organisms is




30. Malate becomes oxaloacetate by the activity of the enzyme




31. Number of ATP used in preparatory stage of glycolysis is




32. The process of conversion of glucose into pyruvic acid is




33. At the end of glycolysis, each glucose molecule is formed into




34. 2-Phosphoglyceric acid is catalysed to form phosphoenol pyruvate by the enzyme




35. Glucose is phosphorylated to glucose 6-phosphate in the presence of the enzymes




36. The power house of the cell is




37. Citric is converted to cis-aconitic acid and this reaction is catalysed by




38. This is not a Kreb s cycle




39. Oxidation of pyruvic acid occurs only under this condition




40. Number of NADPH? formed at the end of glycolysis is




41. The organelle which plays a dominant role in respiration is




42. Fumaric acid is catalysed into malic acid by




43. Phosphoenol Pyruvate is converted into Pyruvic acid by




44. Flavoproteins and Cytochromes are arranged in the inner membranes of




45. 1,3-bisphosphoglyceric acid is converted to 3-phosphoglyceric acid by the enzyme




46. The total number of ATP molecules formed from one glucose molecule after oxidation is




47. The number of ATP molecules generated by one FADH? is




48. Oxaloacetate reacts with acetyl CoA to form citric acid in the presence of an enzyme




49. Acetly CoA is




50. .Succinic acid is converted to fumaric acid by




51. Pyruvic acid is oxidized to acetly co-enzyme A in the




52. Each NADPH? molecule generates




53. Glucose 6-phosphate is converted to fructose 6-phosphate by




54. Total number of ATP formed in glycolysis are




55. Fructose 1 6-phosphate is cleaved into two 3-carbon compounds in the presence of an enzyme




56. Co-enzymes




57. Net gain of ATP in glycolysis is




58. 3-Phosphoglyceric acid is converted to 2-Phosphoglyceric acid by the enzyme




59. The overall net gain of FADPH? in oxidation of a glucose molecule is




60. Ganong s respiroscope experiment is to demonstrate that




61. Solution used in the respiroscope experiment is